Commit Graph

116483 Commits

Author SHA1 Message Date
Daniel P. Berrangé 769660955a include/crypto: clarify @result/@result_len for hash/hmac APIs
The @result parameter passed to hash/hmac APIs may either contain
a pre-allocated buffer, or a buffer can be allocated on the fly.
Clarify these two different usage models in the API docs.

Reviewed-by: Dorjoy Chowdhury <dorjoychy111@gmail.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2024-10-22 11:44:23 +01:00
Daniel P. Berrangé 164f2be1b5 tests: correctly validate result buffer in hash/hmac tests
Validate that the pre-allocated buffer pointer was not overwritten
by the hash/hmac APIs.

Reviewed-by: Dorjoy Chowdhury <dorjoychy111@gmail.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2024-10-22 11:44:23 +01:00
Daniel P. Berrangé dde538c9a7 crypto/hash: avoid overwriting user supplied result pointer
If the user provides a pre-allocated buffer for the hash result,
we must use that rather than re-allocating a new buffer.

Reported-by: Dorjoy Chowdhury <dorjoychy111@gmail.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2024-10-22 11:44:23 +01:00
Daniel P. Berrangé b5b89e9bc6 util: don't set SO_REUSEADDR on client sockets
Setting the SO_REUSEADDR property on a socket allows binding to a port
number that is in the TIMED_WAIT state. This is usually done on listener
sockets, to enable a server to restart itself without having to wait for
the completion of TIMED_WAIT on the port.

It is also possible, but highly unusual, to set it on client sockets. It
is rare to explicitly bind() a client socket, since it is almost always
fine to allow the kernel to auto-bind a client socket to a random free
port. Most systems will have many 10's of 1000's of free ports that
client sockets will be bound to.

eg on Linux

  $ sysctl -a | grep local_port
  net.ipv4.ip_local_port_range = 32768	60999

eg on OpenBSD

  $ sysctl -a | grep net.inet.ip.port
  net.inet.ip.portfirst=1024
  net.inet.ip.portlast=49151
  net.inet.ip.porthifirst=49152
  net.inet.ip.porthilast=65535

A connected socket must have a unique set of value for

 (protocol, localip, localport, remoteip, remoteport)

otherwise it is liable to get EADDRINUSE.

A client connection should trivially avoid EADDRINUSE if letting the
kernel auto-assign the 'localport' value, which QEMU always does.

When QEMU sets SO_REUSEADDR on a client socket on OpenBSD, however, it
upsets this situation.

The OpenBSD kernel appears to happily pick a 'localport' that is in the
TIMED_WAIT state, even if there are many other available local ports
available for use that are not in the TIMED_WAIT state.

A test program that just loops opening client sockets will start seeing
EADDRINUSE on OpenBSD when as few as 2000 ports are in TIMED_WAIT,
despite 10's of 1000's ports still being unused. This contrasts with
Linux which appears to avoid picking local ports in TIMED_WAIT state.

This problem on OpenBSD exhibits itself periodically with the migration
test failing with a message like[1]:

  qemu-system-ppc64: Failed to connect to '127.0.0.1:24109': Address already in use

While I have not been able to reproduce the OpenBSD failure in my own
testing, given the scope of what QEMU tests do, it is entirely possible
that there could be a lot of ports in TIMED_WAIT state when the
migration test runs.

Removing SO_REUSEADDR from the client sockets should not affect normal
QEMU usage, and should improve reliability on OpenBSD.

This use of SO_REUSEADDR on client sockets is highly unusual, and
appears to have been present since the very start of the QEMU socket
helpers in 2008. The orignal commit has no comment about the use of
SO_REUSEADDR on the client, so is most likely just an 16 year old
copy+paste bug.

[1] https://lists.nongnu.org/archive/html/qemu-devel/2024-10/msg03427.html
    https://lists.nongnu.org/archive/html/qemu-devel/2024-02/msg01572.html

Fixes: d247d25f18
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2024-10-22 11:44:23 +01:00
Dr. David Alan Gilbert a347207514 sockets: Remove deadcode
socket_remote_address hasn't been used since it was added in
  17c55decec ("sockets: add helpers for creating SocketAddress from a socket")

inet_connect hasn't been used since 2017's
  8ecc2f9eab ("sheepdog: Use SocketAddress and socket_connect()")

Remove them.

Signed-off-by: Dr. David Alan Gilbert <dave@treblig.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2024-10-22 11:44:23 +01:00
Dr. David Alan Gilbert 04eeeec697 crypto: Remove unused DER string functions
qcrypto_der_encode_octet_str_begin and _end have been unused
since they were added in
  3b34ccad66 ("crypto: Support DER encodings")

Remove them.

Signed-off-by: Dr. David Alan Gilbert <dave@treblig.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
2024-10-22 11:44:23 +01:00
Tudor Gheorghiu 5ae3ec6363 replace error_setg(&error_fatal, ...) with error_report()
According to include/qapi/error.h:
* Please don't error_setg(&error_fatal, ...), use error_report() and
* exit(), because that's more obvious.

Patch updates all instances of error_setg(&error_fatal, ...) with
error_report(...), adds the explicit exit(1) and removes redundant
return statements.

Signed-off-by: Tudor Gheorghiu <tudor.reda@gmail.com>
Suggested-by: Thomas Huth <thuth@redhat.com>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2587
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
(Mjt: also fold __func__ to previous line)
2024-10-21 22:40:47 +03:00
Brad Smith f8d3116fdd meson.build: Remove ncurses workaround for OpenBSD
meson.build: Remove ncurses workaround for OpenBSD

OpenBSD 7.5 has upgraded to ncurses 6.4.

Signed-off-by: Brad Smith <brad@comstyle.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-10-21 22:40:47 +03:00
Kevin Wolf c11aaaaef1 configure: Replace literally printed '\n' with newline
The idea here was to leave an empty line before the message, but by
default, echo prints '\n' literally instead of interpreting it. Use a
separate echo without parameter instead like in other places in the
script.

Fixes: 6fdc5bc173
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-10-21 22:40:47 +03:00
Thomas Huth 30b1fc5a98 ui/console-vc: Silence warning about sprintf() on OpenBSD
The linker on OpenBSD complains:

 ld: warning: console-vc.c:824 (../src/ui/console-vc.c:824)([...]):
 warning: sprintf() is often misused, please use snprintf()

Using g_strdup_printf() is certainly better here, so let's switch
to that function instead.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-10-21 22:40:47 +03:00
Gustavo Romero fe71f4b0de linux-user: Clean up unused header
Clean up unused (already commented-out) header from syscall.c.

Signed-off-by: Gustavo Romero <gustavo.romero@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2024-10-21 22:40:47 +03:00
Peter Maydell 6f625ce2f2 * Convert most Tuxrun Avocado tests to the new functional framework
* Update the OpenBSD CI image to OpenBSD v7.6
 * Bump timeout of the ide-test
 * New maintainer for the QTests
 * Disable the pci-bridge on s390x by default
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Merge tag 'pull-request-2024-10-21' of https://gitlab.com/thuth/qemu into staging

* Convert most Tuxrun Avocado tests to the new functional framework
* Update the OpenBSD CI image to OpenBSD v7.6
* Bump timeout of the ide-test
* New maintainer for the QTests
* Disable the pci-bridge on s390x by default

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# gpg: Signature made Mon 21 Oct 2024 17:07:04 BST
# gpg:                using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg:                issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* tag 'pull-request-2024-10-21' of https://gitlab.com/thuth/qemu:
  tests/functional: Convert the Avocado sh4 tuxrun test
  Revert "hw/sh4/r2d: Realize IDE controller before accessing it"
  tests/functional: Convert the Avocado ppc32 tuxrun test
  tests/functional: Convert the Avocado mips64el tuxrun test
  tests/functional: Convert the Avocado mips64 tuxrun test
  tests/functional: Convert the Avocado mipsel tuxrun test
  tests/functional: Convert the Avocado mips tuxrun test
  tests/functional: Convert the Avocado x86_64 tuxrun test
  tests/functional: Convert the Avocado i386 tuxrun test
  tests/functional: Convert the Avocado riscv64 tuxrun tests
  tests/functional: Convert the Avocado riscv32 tuxrun tests
  tests/functional: Convert the Avocado arm tuxrun tests
  tests/functional: Convert the Avocado s390x tuxrun test
  tests/functional: Convert the Avocado sparc64 tuxrun test
  tests/functional: Convert the Avocado ppc64 tuxrun tests
  tests/functional: Add a base class for the TuxRun tests
  hw/pci-bridge: Add a Kconfig switch for the normal PCI bridge
  MAINTAINERS: A new maintainer for the qtests
  tests/qtest: Raise the ide-test timeout
  tests/vm: update openbsd image to 7.6

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-10-21 17:12:59 +01:00
Peter Maydell 91e4e1832e Edgars Xen queue.
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Merge tag 'edgar/xen-queue-2024-10-21.for-upstream' of https://gitlab.com/edgar.iglesias/qemu into staging

Edgars Xen queue.

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# gpg: Signature made Mon 21 Oct 2024 06:55:34 BST
# gpg:                using RSA key AC44FEDC14F7F1EBEDBF415129C596780F6BCA83
# gpg: Good signature from "Edgar E. Iglesias (Xilinx key) <edgar.iglesias@xilinx.com>" [unknown]
# gpg:                 aka "Edgar E. Iglesias <edgar.iglesias@gmail.com>" [full]
# Primary key fingerprint: AC44 FEDC 14F7 F1EB EDBF  4151 29C5 9678 0F6B CA83

* tag 'edgar/xen-queue-2024-10-21.for-upstream' of https://gitlab.com/edgar.iglesias/qemu:
  hw/xen: Avoid use of uninitialized bufioreq_evtchn

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-10-21 17:12:43 +01:00
Thomas Huth c592ff3511 tests/functional: Convert the Avocado sh4 tuxrun test
Move the test into a new file so that it can be run via
qemu-system-sh4 in the functional framework.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20241011131937.377223-18-thuth@redhat.com>
2024-10-21 16:41:39 +02:00
Thomas Huth 68ad89b75a Revert "hw/sh4/r2d: Realize IDE controller before accessing it"
This reverts commit 3c5f86a226.

Changing the order here caused a regression with the "tuxrun"
kernels (from https://storage.tuxboot.com/20230331/) - ATA commands
fail with a "ata1: lost interrupt (Status 0x58)" message.
Apparently we need to wire the interrupt here first before
realizing the device, so revert the change to the original
behavior.

Reported-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20241011131937.377223-17-thuth@redhat.com>
2024-10-21 16:40:11 +02:00
Thomas Huth 9ca8239aad tests/functional: Convert the Avocado ppc32 tuxrun test
Move the test into a new file so that it can be run via
qemu-system-ppc in the functional framework.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20241011131937.377223-16-thuth@redhat.com>
2024-10-21 16:40:09 +02:00
Thomas Huth a2a2a5b05d tests/functional: Convert the Avocado mips64el tuxrun test
Move the test into a new file so that it can be run via
qemu-system-mips64el in the functional framework.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20241011131937.377223-15-thuth@redhat.com>
2024-10-21 16:39:41 +02:00
Thomas Huth a01be218d4 tests/functional: Convert the Avocado mips64 tuxrun test
Move the test into a new file so that it can be run via
qemu-system-mips64 in the functional framework.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20241011131937.377223-14-thuth@redhat.com>
2024-10-21 16:38:07 +02:00
Thomas Huth 55716a8979 tests/functional: Convert the Avocado mipsel tuxrun test
Move the test into a new file so that it can be run via
qemu-system-mipsel in the functional framework.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20241011131937.377223-13-thuth@redhat.com>
2024-10-21 16:36:58 +02:00
Thomas Huth 87cab1ae8f tests/functional: Convert the Avocado mips tuxrun test
Move the test into a new file so that it can be run via
qemu-system-mips in the functional framework.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20241011131937.377223-12-thuth@redhat.com>
2024-10-21 16:35:59 +02:00
Thomas Huth 7cea8fe35e tests/functional: Convert the Avocado x86_64 tuxrun test
Move the tests to a new file so that they can be run via
qemu-system-x86_64 in the functional framework.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20241011131937.377223-11-thuth@redhat.com>
2024-10-21 16:32:20 +02:00
Thomas Huth 4007fc9487 tests/functional: Convert the Avocado i386 tuxrun test
Move the tests to a new file so that they can be run via
qemu-system-i386 in the functional framework.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20241011131937.377223-10-thuth@redhat.com>
2024-10-21 16:32:16 +02:00
Thomas Huth 7746a6c4e4 tests/functional: Convert the Avocado riscv64 tuxrun tests
Move the tests to a new file so that they can be run via
qemu-system-riscv64 in the functional framework.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20241011131937.377223-9-thuth@redhat.com>
2024-10-21 16:31:15 +02:00
Thomas Huth 77bc76c731 tests/functional: Convert the Avocado riscv32 tuxrun tests
Move the tests to a new file so that they can be run via
qemu-system-riscv32 in the functional framework.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20241011131937.377223-8-thuth@redhat.com>
2024-10-21 16:31:15 +02:00
Thomas Huth de9f57a6e8 tests/functional: Convert the Avocado arm tuxrun tests
Move the tests to a new file so that they can be run via
qemu-system-arm in the functional framework.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20241011131937.377223-7-thuth@redhat.com>
2024-10-21 16:31:06 +02:00
Thomas Huth a7a9f513fb tests/functional: Convert the Avocado s390x tuxrun test
Move the test to a new file so that it can be run via
qemu-system-s390x in the functional framework.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20241011131937.377223-6-thuth@redhat.com>
2024-10-21 16:28:59 +02:00
Thomas Huth 116667aa60 tests/functional: Convert the Avocado sparc64 tuxrun test
Move the test to a new file so that it can be run via
qemu-system-sparc64 in the functional framework.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20241011131937.377223-5-thuth@redhat.com>
2024-10-21 16:28:59 +02:00
Thomas Huth d9dff75b08 tests/functional: Convert the Avocado ppc64 tuxrun tests
Move the tests to a new file so that they can be run via
qemu-system-ppc64 in the functional framework.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20241011131937.377223-3-thuth@redhat.com>
2024-10-21 13:25:12 +02:00
Thomas Huth c1b24f0fb7 tests/functional: Add a base class for the TuxRun tests
Add a base class for the TuxRun tests, based on the code from
tests/avocado/tuxrun_baselines.py (the test have to be put into
separate file in the following commits, depending on the target
architecture that gets tested).

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20241011131937.377223-2-thuth@redhat.com>
2024-10-21 13:25:12 +02:00
Thomas Huth e779e5c05a hw/pci-bridge: Add a Kconfig switch for the normal PCI bridge
The pci-bridge device is not usable on s390x, so introduce a Kconfig
switch that allows to disable it.

Message-ID: <20240913144844.427899-1-thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-10-21 13:25:12 +02:00
Thomas Huth 25e5fe76bc MAINTAINERS: A new maintainer for the qtests
Since I blundered into becoming the maintainer of the new functional
test  framework in QEMU (tests/functional/) recently, I need to drop
some other duties - it's getting too much for me otherwise. Laurent
is also quite busy with other projects nowadays, so I looked around
for help.
Fabiano did quite a lot of work in the qtests in the past already,
and is also already a maintainer for migration, so I thought he
would be a very good fit, thus I asked him whether he would be
interested to help out with the qtests and he agreed.
Thank you very much, Fabiano!

Message-ID: <20241011141344.379781-1-thuth@redhat.com>
Acked-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-10-21 13:25:12 +02:00
Peter Maydell b39f6f3051 tests/qtest: Raise the ide-test timeout
The ide-test occasionally times out: on the system I run
vm-build-openbsd on, it usually takes about 18 seconds, but
occasionally hits the 60s timeout, likely when the host machine is
under heavy load.  I have also seen this test hit its time limit on
the s390x CI runner.

Double the timeout for this test so that it won't hit its timeout
even when the host is running more slowly than usual.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20241015113705.239067-1-peter.maydell@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-10-21 13:25:12 +02:00
Brad Smith d8fe5b4759 tests/vm: update openbsd image to 7.6
Remove tomli as Python has been updated to 3.11.

[thuth: The "Time appears wrong" line is now necessary since the server
 seems to provide a wrong timestamp. We likely have to remove that again
 later once the server is running with the correct time again]

Signed-off-by: Brad Smith <brad@comstyle.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Message-ID: <ZwtmfVlWgFRF9G8W@humpty.home.comstyle.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-10-21 13:23:52 +02:00
Edgar E. Iglesias 676a68fd48 hw/xen: Avoid use of uninitialized bufioreq_evtchn
Avoid use of uninitialized bufioreq_evtchn. It should only
be used if buffered IOREQs are enabled.

Resolves: Coverity CID 1563383
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
2024-10-21 07:53:21 +02:00
Peter Maydell cc5adbbd50 Merge tpm 2024/10/18 v1
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Merge tag 'pull-tpm-2024-10-18-1' of https://github.com/stefanberger/qemu-tpm into staging

Merge tpm 2024/10/18 v1

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* tag 'pull-tpm-2024-10-18-1' of https://github.com/stefanberger/qemu-tpm:
  tests: Wait for migration completion on destination QEMU to avoid failures
  tpm_emulator: Read control channel response in 2 passes
  tpm: Use new ptm_cap_n structure for PTM_GET_CAPABILITY

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-10-18 15:45:02 +01:00
Peter Maydell 19a989096e Error reporting patches for 2024-10-18
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Merge tag 'pull-error-2024-10-18' of https://repo.or.cz/qemu/armbru into staging

Error reporting patches for 2024-10-18

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# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
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* tag 'pull-error-2024-10-18' of https://repo.or.cz/qemu/armbru:
  qerror: QERR_PROPERTY_VALUE_OUT_OF_RANGE is no longer used, drop
  hw/intc/openpic: Improve errors for out of bounds property values
  target/i386/cpu: Improve errors for out of bounds property values
  target/i386/cpu: Avoid mixing signed and unsigned in property setters
  block: Adjust check_block_size() signature
  block: Improve errors about block sizes
  error: Drop superfluous #include "qapi/qmp/qerror.h"
  qga: Improve error for guest-set-user-password parameter @crypted
  qga/qapi-schema: Drop obsolete note on "unsupported" errors

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-10-18 15:44:54 +01:00
Markus Armbruster 1824e9fc64 qerror: QERR_PROPERTY_VALUE_OUT_OF_RANGE is no longer used, drop
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20241010150144.986655-8-armbru@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-10-18 15:03:35 +02:00
Markus Armbruster 627c1e012c hw/intc/openpic: Improve errors for out of bounds property values
The error message doesn't matter much, as the "openpic" device isn't
user-creatable.  But it's the last use of
QERR_PROPERTY_VALUE_OUT_OF_RANGE, which has to go.  Change the message
just like the previous commit did for x86 CPUs.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20241010150144.986655-7-armbru@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-10-18 15:03:35 +02:00
Markus Armbruster dac7f90c1c target/i386/cpu: Improve errors for out of bounds property values
The error message for a "stepping" value that is out of bounds is a
bit odd:

    $ qemu-system-x86_64 -cpu qemu64,stepping=16
    qemu-system-x86_64: can't apply global qemu64-x86_64-cpu.stepping=16: Property .stepping doesn't take value 16 (minimum: 0, maximum: 15)

The "can't apply global" part is an unfortunate artifact of -cpu's
implementation.  Left for another day.

The remainder feels overly verbose.  Change it to

    qemu64-x86_64-cpu: can't apply global qemu64-x86_64-cpu.stepping=16: parameter 'stepping' can be at most 15

Likewise for "family", "model", and "tsc-frequency".

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20241010150144.986655-6-armbru@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
2024-10-18 15:03:35 +02:00
Markus Armbruster f91cf8175b target/i386/cpu: Avoid mixing signed and unsigned in property setters
Properties "family", "model", and "stepping" are visited as signed
integers.  They are backed by bits in CPUX86State member
@cpuid_version.  The code to extract and insert these bits mixes
signed and unsigned.  Not actually wrong, but avoiding such mixing is
good practice.

Visit them as unsigned integers instead.

This adds a few mildly ugly cast in arguments of error_setg().  The
next commit will get rid of them again.

Property "tsc-frequency" is also visited as signed integer.  The value
ultimately flows into the kernel, where it is 31 bits unsigned.  The
QEMU code freely mixes int, uint32_t, int64_t.  I elect not to attempt
draining this swamp today.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20241010150144.986655-5-armbru@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
2024-10-18 15:03:35 +02:00
Markus Armbruster 5551449bb8 block: Adjust check_block_size() signature
Parameter @id is no longer used, drop.  Return a bool to indicate
success / failure, as recommended by qapi/error.h.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20241010150144.986655-4-armbru@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2024-10-18 15:03:35 +02:00
Markus Armbruster 0f799b83bd block: Improve errors about block sizes
Block sizes need to be a power of two between 512 and an arbitrary
limit, currently 2MiB.

Commit 5937835ac4 factored block size checking out of set_blocksize()
into new check_block_size(), for reuse in block/export/.

Its two error messages are okay for the original purpose:

    $ qemu-system-x86_64 -device ide-hd,physical_block_size=1
    qemu-system-x86_64: -device ide-hd,physical_block_size=1: Property .physical_block_size doesn't take value 1 (minimum: 512, maximum: 2097152)
    $ qemu-system-x86_64 -device ide-hd,physical_block_size=513
    qemu-system-x86_64: -device ide-hd,physical_block_size=513: Property .physical_block_size doesn't take value '513', it's not a power of 2

They're mildly off for block exports:

    $ qemu-storage-daemon --blockdev node-name=nod0,driver=file,filename=foo.img --export type=vduse-blk,id=exp0,node-name=nod0,name=foo,logical-block-size=1
    qemu-storage-daemon: --export type=vduse-blk,id=exp0,node-name=nod0,name=foo,logical-block-size=1: Property exp0.logical-block-size doesn't take value 1 (minimum: 512, maximum: 2097152)

The error message talks about a property.  CLI options like --export
don't have properties, they have parameters.

Replace the two error messages by a single one that's okay for both
purposes.  Looks like this:

    qemu-storage-daemon: --export type=vduse-blk,id=exp0,node-name=nod0,name=foo,logical-block-size=1: parameter logical-block-size must be a power of 2 between 512 and 2097152

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20241010150144.986655-3-armbru@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2024-10-18 15:03:35 +02:00
Markus Armbruster fd1d47740d error: Drop superfluous #include "qapi/qmp/qerror.h"
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20241010150144.986655-2-armbru@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
2024-10-18 15:03:35 +02:00
Markus Armbruster bd783b5cd6 qga: Improve error for guest-set-user-password parameter @crypted
The Windows version of guest-set-user-password rejects argument
"crypted": true with the rather useless "this feature or command is
not currently supported".  Improve to "'crypted' must be off on this
host".

QERR_UNSUPPORTED is now unused.  Drop.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240911131206.2503035-3-armbru@redhat.com>
2024-10-18 15:03:35 +02:00
Markus Armbruster bdebb722cf qga/qapi-schema: Drop obsolete note on "unsupported" errors
The note talks about "unsupported" errors and QERR_UNSUPPORTED.  The
former is vague, and the latter makes sense only in C, not in external
interface documentation.  Fortunately, we don't have to address this
anymore: recent merge commit 3b5efc553e got rid of these errors.
Delete the note.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240911131206.2503035-2-armbru@redhat.com>
2024-10-18 15:03:35 +02:00
Stefan Berger d9280ea317 tests: Wait for migration completion on destination QEMU to avoid failures
Rather than waiting for the completion of migration on the source side,
wait for it on the destination QEMU side to avoid accessing the TPM TIS
memory mapped registers before QEMU could restore their state. This
error condition could be triggered on busy systems where the destination
QEMU did not have enough time to restore the TIS state while the test case
was already reading its registers. The test case was for example reading
the STS register and received an unexpected value (0xffffffff), which
lead to a segmentation fault later on due to trying to read 0xffff bytes
from the TIS into a buffer.

Cc:  <qemu-stable@nongnu.org>
Reported-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
2024-10-18 07:58:04 -04:00
Stefan Berger d2bcaacc17 tpm_emulator: Read control channel response in 2 passes
Error responses from swtpm are typically only 4 bytes long with the
exception of a few commands that return more bytes. Therefore, read the
entire response in 2 steps and stop if the first few bytes indicate an
error response with no subsequent bytes readable. Read the rest in a 2nd
step, if needed. This avoids getting stuck while waiting for too many
bytes in case of an error. The 'getting stuck' condition has not been
observed in practice so far, though.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2615
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
2024-10-18 07:55:08 -04:00
Stefan Berger 312c540401 tpm: Use new ptm_cap_n structure for PTM_GET_CAPABILITY
Use the new ptm_cap_n structure for getting the PTM_GET_CAPABILITY response
from swtpm. Previously only 17 bits could possibly have been set in ptm_cap
(uint64_t) in big endian order and those bits are now found in the 2nd
32bit word in the response in the caps field.

This data structure makes it now clear that the 1st 32bit word carries the
tpm_result like all the other response structures of all other commands
do.

The changes are taken from the swtpm project's tpm_ioctl.h.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
2024-10-18 07:53:11 -04:00
Peter Maydell f1dd640896 * tcg/s390x: Fix for TSTEQ/TSTNE
* target/i386: Fixes for IN and OUT with REX prefix
 * target/i386: New CPUID features and logic fixes
 * target/i386: Add support save/load HWCR MSR
 * target/i386: Move more instructions to new decoder; separate decoding
   and IR generation
 * target/i386/tcg: Use DPL-level accesses for interrupts and call gates
 * accel/kvm: perform capability checks on VM file descriptor when necessary
 * accel/kvm: dynamically sized kvm memslots array
 * target/i386: fixes for Hyper-V
 * docs/system: Add recommendations to Hyper-V enlightenments doc
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* tcg/s390x: Fix for TSTEQ/TSTNE
* target/i386: Fixes for IN and OUT with REX prefix
* target/i386: New CPUID features and logic fixes
* target/i386: Add support save/load HWCR MSR
* target/i386: Move more instructions to new decoder; separate decoding
  and IR generation
* target/i386/tcg: Use DPL-level accesses for interrupts and call gates
* accel/kvm: perform capability checks on VM file descriptor when necessary
* accel/kvm: dynamically sized kvm memslots array
* target/i386: fixes for Hyper-V
* docs/system: Add recommendations to Hyper-V enlightenments doc

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# gpg: Signature made Thu 17 Oct 2024 18:42:34 BST
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (26 commits)
  target/i386: Use only 16 and 32-bit operands for IN/OUT
  accel/kvm: check for KVM_CAP_MEMORY_ATTRIBUTES on vm
  accel/kvm: check for KVM_CAP_MULTI_ADDRESS_SPACE on vm
  accel/kvm: check for KVM_CAP_READONLY_MEM on VM
  target/i386/tcg: Use DPL-level accesses for interrupts and call gates
  KVM: Rename KVMState->nr_slots to nr_slots_max
  KVM: Rename KVMMemoryListener.nr_used_slots to nr_slots_used
  KVM: Define KVM_MEMSLOTS_NUM_MAX_DEFAULT
  KVM: Dynamic sized kvm memslots array
  target/i386: assert that cc_op* and pc_save are preserved
  target/i386: list instructions still in translate.c
  target/i386: do not check PREFIX_LOCK in old-style decoder
  target/i386: convert CMPXCHG8B/CMPXCHG16B to new decoder
  target/i386: decode address before going back to translate.c
  target/i386: convert bit test instructions to new decoder
  tcg/s390x: fix constraint for 32-bit TSTEQ/TSTNE
  docs/system: Add recommendations to Hyper-V enlightenments doc
  target/i386: Make sure SynIC state is really updated before KVM_RUN
  target/i386: Exclude 'hv-syndbg' from 'hv-passthrough'
  target/i386: Fix conditional CONFIG_SYNDBG enablement
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2024-10-18 10:42:56 +01:00
Richard Henderson 15d955975b target/i386: Use only 16 and 32-bit operands for IN/OUT
The REX.W prefix is ignored for these instructions.
Mirror the solution already used for INS/OUTS: X86_SIZE_z.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2581
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Cc: qemu-stable@nongnu.org
Link: https://lore.kernel.org/r/20241015004144.2111817-1-richard.henderson@linaro.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-10-17 19:41:30 +02:00